Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung cua dung ((cong thanh) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung cua dung ((cong thanh) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung cua dung ((cong thanh) or (cong san)) toan ban*.